5763 is divisible by __.
5763 is divisible by:
A number is divisible by 3, if the sum of its digits is divisible by 3.
5763 5+7+6+3 = 21, which is exactly divisible by 3.
So 5763 is divisible by 3
5763 is not divisible by 4 and 6, as it is an odd number.
A number is divisible by 9, if the sum of its digits is divisible by 9.
5763 5+7+6+3 = 21, which is not divisible by 9.
So 5763 is not divisible by 9